Answer:
Xylem
Explanation:
Xylem is vascular tissue that transports water and dissolved minerals from roots to stems and leaves. This type of tissue consists of dead cells that lack end walls between adjacent cells.
Why are golgi bodies found in large numbers in the cells which secrete digestive enzymes?
Answer:
Golgi bodies are found in large numbers in the cells which secrete digestive enzymes because they are responsible for the production of those enzymes.
Explanation:
All secretory cells have a large number of Golgi bodies present in them because Golgi bodies help in the transport of these substances to the target areas and in some cases even help in the formation of the substances of the secretory cells, for example- digestive enzymes.
In plant cells, Golgi bodies secrete polysaccharides and pectin which help in the formation of the plant cell wall.
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Answer: For protein modification and maintaining cellular homeostasis
Explanation:
For protein modification: Digestive enzymes are usually synthesized as inactive precursor molecules (zymogens) within the cell.Maintaining cellular homeostasis: The Golgi apparatus helps maintain cellular homeostasis by regulating the transport and secretion of digestive enzymes.
Overall, the abundance of Golgi bodies in cells that secrete digestive enzymes reflects their critical role in the processing, packaging, and secretion of these enzymes.
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for many years, biologists disagreed about whether giant pandas are more closely related to raccoons or bears. Which one of the following types of evidence was most useful in determining the evolutionary relationship of giant pandas to other animals:a-Diet; b-eating habit; c- method of reproduction; d-anatomical features; e-behavior; f-genetic sequences; g-location of natural habitat
anatomical - of or relating to the structure of the body; "anatomical features" anatomic. 2. anatomical - of or relating to the branch of morphology that studies the structure of organisms; "anatomical research" anatomic
Answer: D
what is true anout energy producers through top level consumer s in most ecosystem
Answer:
Electromagnetic energy that is emitted from the sun is what drives producers in ecosystems
Explanation:
Which method of studying the ocean involves gathering data by satelites?
The method of studying the ocean that involves gathering data by satellites is called remote sensing. Remote sensing allows scientists to observe and collect information about the Earth's oceans from a distance, without being physically present.
Satellites equipped with various sensors capture data related to ocean surface temperature, sea level, ocean color, and wave height, among other parameters. This data is essential for understanding ocean dynamics, marine ecosystems, and climate change. By analyzing the information provided by remote sensing, researchers can study large-scale phenomena, track changes over time, and develop models to predict future trends in ocean conditions.
Overall, satellite remote sensing plays a crucial role in advancing our knowledge of the world's oceans and their impact on global climate and environment.
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the study of the evolutionary relationships between organisms, which is called , may influence the discipline of identifying and grouping organisms, which is called
The study of the evolutionary relationships between different organisms which is known as phylogeny might influence the discipline of grouping and identifying organisms which is known as taxonomy.
Phylogeny is can be defined as the evolutionary history of a particular species or a group. The relationships amongst the organisms can be represented as an evolutionary tree which is known as the phylogenetic tree. In a phylogenetic tree, the species or groups are organized in a way that it allows us to know how they evolved from the common ancestors.
Taxonomy is a discipline which involves the grouping as well as the identification of different organisms. Phylogeny influences taxonomy as the phylogenetic relationship amongst organisms determines the groups in which they must be classified.
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the pedigree below shows the inheritance of an autosomal trait. which individuals in this pedigree have the genotype -> bb ? choose all that apply.
A pedigree is a diagram that shows a family tree or the transmission of a certain feature. They may be instructive to observe and useful instruments for identifying patterns of inheritance of particular features.
When there is evidence of a genetically inherited illness in one or both families, genetic counsellors frequently utilise pedigrees to assist couples in making the decision to have children. They are also employed when attempting to ascertain a person's propensity for carrying a genetic illness, such as familial breast cancer.
The synthesis of an aberrant form of the protein neurofibromin results in neurofibromatosis, which is the predominant type. Affected people have aberrant skin pigmentation patches and benign tumours that might damage the neurological system and result in blindness. Some tumours have the potential to develop into cancer.
There is no neurofibromatosis in the recessive variant of the gene since it is a normal protein.
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a burn that involves only the epidermis is called a
A burn that involves only the epidermis is called a first-degree burn. The epidermis is the outermost layer of the skin, which is composed of keratinocytes. This layer protects the body from environmental hazards such as ultraviolet light, pathogens, and moisture loss.
There are three categories of burns, including first-degree, second-degree, and third-degree burns. First-degree burns are the mildest type of burn and are considered a minor medical problem that can usually be treated at home. They affect only the epidermis, the outermost layer of skin, and typically result in reddened skin that may be tender or sore to the touch.The symptoms of first-degree burns include redness, swelling, pain, and dryness of the skin. These burns typically heal within a week, and there is usually no need for further medical treatment. If a burn becomes infected, it can be treated with antibiotics.
Aloe vera gel and over-the-counter pain relievers are commonly used to alleviate the pain associated with first-degree burns.Second-degree burns are more severe than first-degree burns and involve both the epidermis and the dermis. They result in blisters, severe pain, and sometimes a fever.
These burns usually heal within two to three weeks. Third-degree burns are the most severe type of burn and involve all layers of the skin. They can cause significant tissue damage, and immediate medical attention is required to prevent complications such as infection, shock, and organ damage.
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Student Response Sheet
MAPPING ACTIVITY 3A: AERIAL SURVEY OF CALIFORNIA GEOLOGY AND GEOGRAPHY
Can someone help on doing this I am really lost and don’t know what to do I just need to locate the 3 points that’s all :(
This prompt is about locating the epicenter of an earthquake. In seismology, the epicenter, epicentre, or epicentrum is the point on the Earth's surface directly above a hypocenter or focus, where an earthquake or subsurface explosion starts.
How to locate the epicenter of a earthquakeWhen an earthquake happens, it sends out waves that travel through the ground, and we can measure those waves using special machines called seismographs. To find out where the earthquake happened, we need to use data from at least three seismograph stations that recorded the earthquake.
We start by looking at the time it takes for different waves to reach each station. First, we look at the arrival time of the primary (P) wave, which travels faster and arrives first. Then, we look at the arrival time of the secondary (S) wave, which is slower and arrives second. We calculate the time difference between the arrival of the P and S waves at each station.
Next, we use the time difference to figure out how far away the earthquake was from each station. We use a special formula to do this, which takes into account how fast the waves travel through the Earth's crust.
We then plot the distance from each station on a map, creating circles around each station with the distance as the radius. Where the three circles overlap is the epicenter of the earthquake. This is the point on the Earth's surface directly above where the earthquake started.
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Help, please I'll give brainless but the answer got to make sense
Answer:it’s a machine to weave cloth
Reason: there was too much demand to do it by hand
Importance: it’s important because it changed the way people worked in the textile industry as they didn’t have to weave cloth by hand anymore and it saved tons of time
Reason: there was too much demand to do it by hand
a collection of cloned dna fragments representing the organism's entire genome is called a
A collection of cloned DNA fragments representing the organism's entire genome is called a genomic library.
A genomic library is a collection of cloned DNA fragments that together represent the entirety of an organism's genome, which can be used for various genetic studies, such as gene mapping, sequencing, and expression analysis.
The genomic library is created by isolating and breaking down the DNA from the organism's genome into smaller fragments using restriction enzymes, which are enzymes that cleave DNA at specific nucleotide sequences.
The fragments are then ligated into a vector, which is a DNA molecule that is used to carry the DNA fragments into host cells, and the vector is introduced into a bacterial or yeast host cell for cloning. The resulting library contains thousands to millions of bacterial colonies, each containing a cloned fragment of the genome.
The genomic library can be screened using various techniques to identify specific genes or DNA sequences of interest. For example, a probe can be designed that is complementary to a particular gene or DNA sequence, and the library can be screened using this probe to identify clones that contain the target sequence.
Overall, the genomic library is an essential tool in genetic research, allowing researchers to study the structure and function of genes and genomes in various organisms. It can provide insights into disease-causing mutations, genetic diversity, and evolutionary relationships between species.
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carbon dating is one of the methods used to analyze biological samples.
True
False
True. Carbon dating is a method used to determine the age of organic materials by measuring the amount of carbon-14 present in the sample.
Carbon-14 is a radioactive isotope that is naturally produced in the atmosphere and is incorporated into living organisms through the food chain. The amount of carbon-14 in a sample decreases over time through radioactive decay, so by measuring the remaining amount of carbon-14, scientists can estimate the age of the sample. This method is commonly used in archaeology, geology, and other fields to determine the age of biological or organic materials such as fossils, artifacts, and human remains.
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IM BEING TIMED HELP PLS!!
In a parallel circuit with three lights on it, one light breaks. What happens to the brightness of the other two lights?
O A they stay the same because voltage is shared among each branch
OB. they go out because the circuit is open
o C they get brighter because the other two lights get more current
OD. they get dimmer because the other two lights create more resistance
Answer:D
Explanation:yes
Stem Cells A stem cell is an u_____ Stem cells from human e cells. Stem cells from adult b m__________ can form cells including b M _____cells in plants can differentiate into any type of plant cell. and p. Stem cells may be able to help treat d In t cloning an embryo is produced with the same DNA as the patient. Stem cells from the embryo are not r as they have the same DNA and antigens as the patient. e cell that can be copied or change into other cell types. can differentiate into most different types of human Risks from stem cell treatment include the transfer of v people have e or r objections. Plant meristem stem cell can be used to produce clones of plants q cells. pathogens, and some and R species can be cloned to protect from e It is possible to clone large numbers of identical Crop plants with desirable features such as d resistance or high crop y
Stem Cells A stem cell is an undifferentiated cell that can be copied or changed into other cell types. Stem cells from human embryonic cells can differentiate into most different types of human cells. Stem cells from adult bone marrow can form cells including blood cells.
Stem cells in plants can differentiate into any type of plant cell. And plant meristem stem cell can be used to produce clones of plants.In cloning, an embryo is produced with the same DNA as the patient. Stem cells from the embryo are not rejected as they have the same DNA and antigens as the patient.Stem cells may be able to help treat diseases. Risks from stem cell treatment include the transfer of pathogens and some people have ethical or religious objections. Species can be cloned to protect from extinction.
It is possible to clone large numbers of identical crop plants with desirable features such as disease resistance or high crop yield.
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Which graph represents selection that may lead to reduced variation
in a population?
The frequency graph represents selection that may lead to reduced variation in a population.
Genetically modified foods can contain genes from different, unrelated organisms. Please select the best answer from the choices provided
A. True
B. False
The primary physical, biological drive to find and eat food, that is mostly regulated by internal cues to eating is called?
The primary physical, biological drive to find and eat food, that is mostly regulated by internal cues to eating is called hunger. The hunger drive is influenced by numerous factors, including hormonal, physiological, and psychological processes.
To satiate the hunger, the brain is prompted to consume food that it perceives as satisfying and to drink liquids as a part of homeostatic mechanism.
Most people are aware of the concept of hunger, but many are unaware of the biological mechanisms that control this drive. Hunger is influenced by a variety of factors, including psychological, physiological, and hormonal processes.
The hunger drive prompts the brain to consume food that is perceived as satisfying and to drink liquids as a part of homeostatic mechanism.There are a number of hormones that regulate hunger. Ghrelin is one such hormone that is released by the stomach when it is empty, signaling to the brain that it is time to eat.
Another hormone, leptin, is released by fat cells and signals to the brain that the body has enough energy stores and can stop eating. In addition, many psychological factors can influence hunger, including stress, mood, and environmental cues. Hunger is a complex process that involves multiple biological and environmental factors.
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A characteristic common to eukaryotic cells that is not found in prokaryotic cells is the
cell membrane
presence of DNA
use of ribosomes for protein synthesis
presence of mitochondria
Answer:
Presence of the Mitochondrion!!
Explanation:
~
A characteristic common to eukaryotic cells that are not found in prokaryotic cells is the presence of mitochondria. Thus, the correct option for this question is D.
What is a Prokaryotic cell?A prokaryotic cell may be defined as a type of cell which is present in prokaryotes. This type of cell typically lacks a well-defined nucleus and other membrane-bound cell organelles. Organisms like bacteria, archaea, etc. possess this type of cell.
All prokaryotes and eukaryotes have a cell membrane known as a Plasma membrane. Most prokaryotic organisms have a small amount of genetic material in the form of a single molecule known as circular DNA.
Protein synthesis is one of the essential functions of all cell types. Ribosomes are significantly found in every type of eukaryotic as well as prokaryotic organisms like bacteria.
Therefore, the presence of mitochondria is a characteristic that is only common to eukaryotic cells but is not found in prokaryotic cells.
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Sister chromatids differ from nonsister chromatids in that sister chromatids __________.
Sister chromatids differ from non-sister chromatids in that sister chromatids are two copies of a single chromosome and are products of the S phase of the cell cycle.
When a cell divides, there are two types of chromatids: sister chromatids and non-sister chromatids. During the early stages of cell division, chromatoids are produced. Nonsister chromatids appear during metaphase I of meiosis, whereas sister chromatids replicate from the same chromosome. The centromere links sister chromatids together. On the cell equator, the homologous chromosome pair contains non-sister chromatids. The fact that sister chromatids contain the same allele in the same loci, whereas non-sister chromatids do not, is the primary distinction between the two types of chromatids.
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Two bicyclist are accelerating forward at the same rate. Biker 1 has less mass than biker 2. Which statement describes the net force on the bikers?
Answer:
Answer: the answer is the net force on biker 2 is greater than in biker 1
Hope this helps :)
What happens if a protein-digesting enzyme is mixed with starch solution?
1. Compare gaseous biogeochemical cycle and sedimentary biogeochemical cycle.
Answer:
Gaseous cycles include those of nitrogen, oxygen, carbon, and water; sedimentary cycles include those of iron, calcium, phosphorus, and other more earthbound elements. In a sedimentary cycle elements move from land to water to sediment. Main reservoirs are the soil and sedimentary rocks.
The internal transport of water and minerals in plants requires that two systems work
together. Which diagram correctly describes how the two systems accomplish this?
Answer: it’s F
Explanation:
Got it correct
The correct answer is diagram F in the image given along with the question as it shows correctly describes how the two systems accomplish the internal transport of water and minerals in plants requires that two systems work.
It has 2 steps:
Absorption through the root system. Transport by shoot system and stomata in leaf tissues.What is the internal transport of water?Transport in biology method sporting substance absorbed or made withinside the frame of an organism to all different components of its frame.
In flora, it's miles most effective water and minerals that want to be transported to its different components. Another component that desires to be transported to different components of the flora is the meals organized in leaves.
This is due to the fact a plant has a branching form so it receives carbon dioxide for photosynthesis and oxygen for respiratory from the air at once through diffusion.
Hence concluded that the F option in the image is the correct answer.
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prehensile tails are: group of answer choices made strictly of muscle. present in most primates. present in catarrhine primates. present only in some platyrrhines.
Prehensile tails are present only in some platyrrhines. Option D is correct.
A prehensile tail refers to a tail that has adapted for grasping and holding objects. It is capable of wrapping around branches or objects, providing additional support and enhancing balance for the animal. Prehensile tails are primarily found in certain species of New World monkeys, which belong to the taxonomic group called platyrrhines.
Platyrrhines are a group of primates that includes species found in Central and South America, such as spider monkeys, howler monkeys, and capuchin monkeys. These primates have evolved prehensile tails as an adaptation to their arboreal (tree-dwelling) lifestyle. The prehensile tail allows them to navigate their environment more effectively, access food sources, and move through the trees with agility.
It's important to note that prehensile tails are not present in most primates or catarrhine primates. Catarrhines, which include Old World monkeys, apes, and humans, do not possess prehensile tails. Instead, they rely on other adaptations, such as opposable thumbs and dexterous hands, for manipulating objects and navigating their surroundings. Option D is correct.
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in mic!] in mice, black color (b) is dominant to white (b). at a different locus, a dominant allele (a) produces a band of yellow just below the tip of each hair in mice with black fur. this gives a frosted appearance known as agouti. expression of the recessive allele (a) results in a solid coat color. this question is different from question 11. if mice that are heterozygous at both loci are crossed, what is the expected phenotypic ratio of their offspring?
The estimated phenotypic ratio of their progeny for black and agouti compared to black and solid is therefore 4:1 or 1:1.
Punnett squares and Mendelian genetics concepts must be applied. Let's use B to stand for the recessive gene for white fur and b to stand for the dominant allele for black fur.
Let's use A to stand for the dominant allele that causes agouti (frosted) fur and for solid fur, respectively. The genotypes of the parents are BbAa since they are heterozygous at both loci.
To predict the potential genotypes and phenotypes of their progeny, we can build up a Punnett square as follows:
| BA Ba bA ba
BA | BABA BAAa BbBA BbAa
Ba | BAAa BbAA BbAa Bbaa
bA | bABA bAAa bbBA bbAa
ba | bAAa bbaa bbAa bbaa
Now, we can determine how many offspring each phenotypic has:
Now, we can determine how many offspring each phenotypic has:
Black and agouti: BABA, BAAa, bABA, bAAa = 4
Black and solid: BbAa, BbAA, bbAa, bbAA = 4
White and agouti: none
White and solid: none
Due to the fact that both parents are heterozygous for black fur, no predicted offspring with white fur can be produced.
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Scientists have determined that lactase persistence evolved independently in European and African populations. What do these populations have in common that could result in lactase persistence in both populations?
a naturally occurring, inorganic solid that has a crystal structure & a definite chemical composition.
a
A. All of these
B. precipitate
C. mineral
D. rock
Mineral is a naturally occurring, inorganic solid that has a crystal structure & a definite chemical composition.
Which color circle includes the peptide bond? -red -green -none of them -blue
a 10-year-old with precocious puberty is found to have a space-occupying tumor in the arcuate nucleus of the hypothalamus, leading to excessive prolactin release. which of the following correctly describes changes in plasma levels of hormones? group of answer choices decreased prh, decreased pih, and increased prolactin increased prh, increased pih, and increased prolactin increased prh, decreased pih, and decreased prolactin decreased prh, increased pih, and increased prolactin decreased prh, decreased pih, and decreased prolactin
In a 10-year-old with precocious puberty and a space-occupying tumor in the arcuate nucleus of the hypothalamus, the tumor may lead to excessive prolactin release.
This is because the arcuate nucleus is a key regulator of prolactin secretion, and a tumor in this region can disrupt normal hormonal regulation.
The hypothalamus secretes two hormones that regulate prolactin secretion by the pituitary gland: prolactin-releasing hormone (PRH) and prolactin-inhibiting hormone (PIH). PRH stimulates prolactin release, while PIH inhibits it.
In this case, the tumor in the arcuate nucleus is likely causing an overproduction of PRH, leading to increased prolactin release. At the same time, the tumor may be disrupting the production or release of PIH, further contributing to the excessive prolactin secretion.
Therefore, the correct answer is "increased PRH, decreased PIH, and increased prolactin," as the excess PRH will stimulate prolactin release, while the decreased PIH will fail to inhibit it, resulting in elevated levels of prolactin in the bloodstream. The other answer choices do not accurately describe the hormonal changes that would be expected in this scenario.
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Mitosis is a type of cell division that occurs I. to make more cells so organisms can grow. II. so organisms can replace old or damaged cells. III. when organisms make sex cells for reproduction. IV. only during fetal stages of development.
Answer: I and II
Explanation:
Trust me
Which student identified the correct step and the result of that process?
Frank claims step 1 is DNA replication which produces proteins needed by the organism to grow and develop
Emma claims step 2 is transcription, resulting in a double stranded RNA molecule needed for translation in the nucleus
Francine claims step 3 is translation which produces the mRNA strand by reading and pairing bases to the DNA template
Tyrone claims step 4 is the production of amino acids, which will form proteins, resulting in the expression of genes found in DNA
Answer: Emma claims step 2 is transcription, resulting in a double stranded RNA molecule needed for translation in the nucleus
Explanation: